330433213 has 12 divisors (see below), whose sum is σ = 368633440. Its totient is φ = 295903080.

The previous prime is 330433189. The next prime is 330433283. The reversal of 330433213 is 312334033.

It is a de Polignac number, because none of the positive numbers 2^k-330433213 is a prime.

It is a super-2 number, since 2×330433213² = 218372216507006738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330433283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12273 + ... + 28486.

Almost surely, 2^330433213 is an apocalyptic number.

It is an amenable number.

330433213 is a deficient number, since it is larger than the sum of its proper divisors (38200227).

330433213 is a wasteful number, since it uses less digits than its factorization.

330433213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40848 (or 40837 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 330433213 is about 18177.8220092507. The cubic root of 330433213 is about 691.3445832163.

Adding to 330433213 its reverse (312334033), we get a palindrome (642767246).

The spelling of 330433213 in words is "three hundred thirty million, four hundred thirty-three thousand, two hundred thirteen".